HUSSEIN, N. R. The prevalence of procalcitonin positivity in patients with severe Covid-19. Journal of Contemporary Medical Sciences, [S. l.], v. 8, n. 4, 2022. DOI: 10.22317/jcms.v8i4.1093. Disponível em: https://jocms.org/index.php/jcms/article/view/1093. Acesso em: 7 oct. 2022.